Wall spacer



FIG. 1 is a perspective view of a wall spacer, showing the new design;

FIG. 2 is a front elevational view of the wall spacer thereof;

FIG. 3 is a rear elevational view of the wall spacer thereof;

FIG. 4 is a left side elevational view of the wall spacer thereof;

FIG. 5 is a right side elevational view of the wall spacer thereof;

FIG. 6 is a top plan view of the wall spacer thereof; and,

FIG. 7 is bottom plan view of the wall spacer thereof.

The dash-dot-dash broken lines depict the boundaries of the claim and form no part thereof. 

CLAIM The ornamental design for a wall spacer, as shown and described. 